diff --git a/configure.ac b/configure.ac
index 51f2ed80..88cbd7c5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,10 +45,12 @@ AC_CHECK_HEADERS(jansson.h)
 PTHREAD_LIBS="-lpthread"
 MATH_LIBS="-lm"
 RT_LIBS="-lrt"
+JANSSON_LIBS="-ljansson"
 
 AC_SUBST(PTHREAD_LIBS)
 AC_SUBST(MATH_LIBS)
 AC_SUBST(RT_LIBS)
+AC_SUBST(JANSSON_LIBS)
 
 AC_OUTPUT([Makefile] [src/Makefile])
 
@@ -57,7 +59,7 @@ echo "Compilation............: make (or gmake)"
 echo "  CPPFLAGS.............: $CPPFLAGS"
 echo "  CFLAGS...............: $CFLAGS"
 echo "  LDFLAGS..............: $LDFLAGS"
-echo "  LDADD................: $PTHREAD_LIBS $MATH_LIBS $RT_LIBS"
+echo "  LDADD................: $PTHREAD_LIBS $MATH_LIBS $RT_LIBS $JANSSON_LIBS"
 echo
 echo "Installation...........: make install (as root if needed, with 'su' or 'sudo')"
 echo "  prefix...............: $prefix"